Which of the Following Statements Is True

question 125

Short Answer

Which of the following statements is true? $\begin{array}{|l|l|}\hline A&\text {When approximating the sample mean for grouped data we assume that the midpoint of each }\\&\text {class closely approximates the mean of observations in the class. }\\\hline B&\text { When approximating the sample mean for grouped data we cannot assume that the midpoin}\\&\text { of each class closely approximates the mean of observations in the class.}\\\hline C&\text { Descriptive measures for grouped data are not possible.}\\\hline D&\text { None of these choices are correct.}\\\hline \end{array}$

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Definitions:

Extra sex-linked chromosomes

Condition involving the possession of more than the normal number of sex chromosomes, potentially leading to various developmental and physiological anomalies.

Failure to thrive

A medical condition typically observed in infants and children, characterized by significantly slower than expected growth and development.

Excessive sleep

Sleeping for durations significantly longer than the typical 7-8 hours per night, which might be indicative of underlying health issues or sleep disorders.

Multiple sclerosis

A chronic autoimmune disorder affecting the central nervous system, marked by damage to the myelin sheath that covers nerve cells, leading to neurological symptoms.